Home / 646,445,801,694.60-969,669,635,788.70-263,989,877,008.38

Finding the Fourth Proportional to 646,445,801,694.60, 969,669,635,788.70 and 263,989,877,008.38

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Solution

The fourth proportional to 646,445,801,694.60, 969,669,635,788.70 and 263,989,877,008.38 is: 395,985,196,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,445,801,694.60 : 969,669,635,788.70 = 263,989,877,008.38 : x
  2. Step 2: Convert to fraction form
    646,445,801,694.60/969,669,635,788.70 = 263,989,877,008.38/x
  3. Step 3: Cross multiply
    646,445,801,694.60x = 969,669,635,788.70 × 263,989,877,008.38
  4. Step 4: Simplify right side
    646,445,801,694.60x = 255,982,967,890,619,538,604,032
  5. Step 5: Solve for x
    x = 255,982,967,890,619,538,604,032/646,445,801,694.60
  6. Step 6: Final answer
    x = 395,985,196,623.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.